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| Main Ref: | Mann, R.H.K., 1980 | |||||||||||
| Data Ref.: | Mann, R.H.K., 1980 | |||||||||||
| Country: | UK | |||||||||||
| Spawning ground: | ||||||||||||
| Locality: | River Frome | |||||||||||
| Season: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| 111 | 111 | |||||||||||
| Sex ratio: | 51 % Ref.: Mann, R.H.K., 1980 | |||||||||||
| Temperature: | - °C | |||||||||||
| Gestation period: | month/s | |||||||||||
| Length of offspring: | cm | |||||||||||
| Batch spawners | ||||||||||||
| Daily spawning frequency |
- Mean: |
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Min Ref.: Max Ref.: Mean Ref.: |
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| Comments: | Spawning occurs in shallow flowing water among plants and gravel. The eggs, released in small batches, adhere to plants or gravel. The male has nuptial tubercles. Reproductive strategy can vary according to environmental pressure (Ref. 30578). | |||||||||||
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